*{
	margin: 0px;
	padding: 0px;
}
#box{
	width: 300px;
	height: 400px;
	background-color: gainsboro;
	margin: 80px auto;
	border-radius: 10px;
	padding: 20px;
	/* css3的属性 不让盒子撑大 */
	/* 向内填充 */
	box-sizing: border-box;
	position: relative;
}
	
h1{
	font-size: 18px;
	color: black;
}

#close{
	position: absolute;
	top: 0px;
	right: 10px;
	color: white;
	cursor: pointer;
	font-size: 20px;
}
hr{
	margin-top: 18px;
}
#ipt{
	width: 100%;
	height: 30px;
	margin-top: 20px;
	outline: none;
	border: none;
	text-indent: 10px;
	border-radius: 5px;
	margin-left: 5px;
}
input{
	width: 50px;
	height: 60px;
	float: left;
	margin-top: 10px;
	margin-left: 15px;
	
}
